[Mesa-dev] [PATCH 6/6] r600g: disable aniso filtering for non-mipmap textures on EG

[Marek Olšák]

From: Marek Olšák <marek.olsak at amd.com>

this is the default behavior of the closed driver when running on VI
---
 src/gallium/drivers/r600/evergreen_state.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index dd462c2..6b6e816 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -849,10 +849,12 @@ evergreen_create_sampler_view_custom(struct pipe_context *ctx,
 		view->tex_resource_words[5] |= S_030014_LAST_LEVEL(log_samples);
 		view->tex_resource_words[6] |= S_030018_FMASK_BANK_HEIGHT(fmask_bankh);
 	} else {
+		bool no_mip = first_level == last_level;
+
 		view->tex_resource_words[4] |= S_030010_BASE_LEVEL(first_level);
 		view->tex_resource_words[5] |= S_030014_LAST_LEVEL(last_level);
 		/* aniso max 16 samples */
-		view->tex_resource_words[6] |= S_030018_MAX_ANISO_RATIO(4);
+		view->tex_resource_words[6] |= S_030018_MAX_ANISO_RATIO(no_mip ? 0 : 4);
 	}
 
 	view->tex_resource_words[7] = S_03001C_DATA_FORMAT(format) |
-- 
2.5.0